Finding the Fourth Proportional to 51,144,048.75, 76,746,340.20 and 18,818,651.70
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Solution
The fourth proportional to 51,144,048.75, 76,746,340.20 and 18,818,651.70 is: 28,239,114.44
Step by Step Solution
- Step 1: Write the proportion equation
51,144,048.75 : 76,746,340.20 = 18,818,651.70 : x - Step 2: Convert to fraction form
51,144,048.75/76,746,340.20 = 18,818,651.70/x - Step 3: Cross multiply
51,144,048.75x = 76,746,340.20 × 18,818,651.70 - Step 4: Simplify right side
51,144,048.75x = 1,444,262,645,473,508.25 - Step 5: Solve for x
x = 1,444,262,645,473,508.25/51,144,048.75 - Step 6: Final answer
x = 28,239,114.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.